With 2chitta, anyone can easily perform binary threshold observation. Its intuitive and simple operation supports your microscope observations. To attach your iPhone to a microscope, please use the dedicated [i-NTER LENS]. Product Website β https://www.microscope-net.com/products/smartphone/inter-lens/ This app requires the [i-NTER LENS] microscope attachment lens for iPhone. Product Website β https://www.microscope-net.com/products/smartphone/